import unittest
import sieve

# version 1.1.0

suite "Sieve":
  test "no primes under two":
    check primes(1).len == 0

  test "find first prime":
    check primes(2) == @[2]

  test "find primes up to 10":
    check primes(10) == @[2, 3, 5, 7]

  test "limit is prime":
    check primes(13) == @[2, 3, 5, 7, 11, 13]

  test "find primes up to 1000":
    check primes(1000) == @[
        2,   3,   5,   7,  11,  13,  17,  19,  23,  29,
       31,  37,  41,  43,  47,  53,  59,  61,  67,  71,
       73,  79,  83,  89,  97, 101, 103, 107, 109, 113,
      127, 131, 137, 139, 149, 151, 157, 163, 167, 173,
      179, 181, 191, 193, 197, 199, 211, 223, 227, 229,
      233, 239, 241, 251, 257, 263, 269, 271, 277, 281,
      283, 293, 307, 311, 313, 317, 331, 337, 347, 349,
      353, 359, 367, 373, 379, 383, 389, 397, 401, 409,
      419, 421, 431, 433, 439, 443, 449, 457, 461, 463,
      467, 479, 487, 491, 499, 503, 509, 521, 523, 541,
      547, 557, 563, 569, 571, 577, 587, 593, 599, 601,
      607, 613, 617, 619, 631, 641, 643, 647, 653, 659,
      661, 673, 677, 683, 691, 701, 709, 719, 727, 733,
      739, 743, 751, 757, 761, 769, 773, 787, 797, 809,
      811, 821, 823, 827, 829, 839, 853, 857, 859, 863,
      877, 881, 883, 887, 907, 911, 919, 929, 937, 941,
      947, 953, 967, 971, 977, 983, 991, 997
    ]
